Today, DWR announced an increase to the State Water Project (SWP) allocation for 2026.

Lake Oroville Update - July 3, 2025 ...

Lake Oroville Update July, 3 2026, detailing Wildlife Safety at the State Recreation Area and free fishing day!

Thank you for your interest in teaching about water. To help you engage your students, the Department of Water Resources offers the following water education materials at no charge. Our materials are ...

State of California A drone view of The Ronald B. Robie Thermalito Pumping-Generating plant produces electricity by transferring water from the Thermalito Forebay to the Thermalito Afterbay through ...

State of California Groundwater Elevation Monitoring Guidelines were developed to assist DWR by establishing criteria for the selection and measurement of monitoring wells in the event that DWR is ...

The Department of Water Resources (DWR), California Department of Fish and Wildlife (CDFW), and California State Parks have confirmed presence of the invasive golden mussel at Pyramid Lake in Los ...

Flood-MAR is a resource management strategy that uses flood water resulting from rainfall or snow melt for managed aquifer recharge (MAR) on agricultural lands and working landscapes, including but ...

Considerable progress has been made to improve flood management in the Central Valley; however, this vast region still faces significant flood risk. Approximately 1 million Californians live and work ...

IRWM enables self-identified regions to integrate and implement water management solutions for their region, which is a foundation of Action 2 in the California Water Action Plan. The fundamental ...

State of California SACRAMENTO, Calif. – Operations have officially begun for the Big Notch Project, one of the largest floodplain salmon-rearing habitat projects in California history. The Department ...

Lake Oroville Update - June 26, 2026 ...